Paul Component Engineering Chain Keeper Chain Retention Device

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Mounted in place of a front derailleur, the Chain Keeper works with single and 1x multi speed drivetrains using a narrow chain. The chain block surrounds the chain as it meets the chainring and prevents it from skipping off. Accommodates a range of chain line measurements and chainring sizes Not designed for downhill/freeride/big hit use Paul Component Engineering Chain Keeper 28.6 Black Color: Black Chainguide Mount Type: Seat Tube Front Derailleur Clamp: 28.6 (1-1/8") Paul Component Engineering Chain Keeper 35.0 Black Color: Black Chainguide Mount Type: Seat Tube Front Derailleur Clamp: 34.9 (1-3/8") Show more